Spectrum of positive and negative parity pentaquarks, including $SU(3)_F$ breaking

Details Spectrum of positive and negative parity pentaquarks, including $SU(3)_F$ breaking Spectrum of positive and negative parity pentaquarks, including $SU(3)_F$ breaking

2008-06-27

arxiv.org/abs/0806.4581v1

Adv.Stud.Theor.Phys.2:929,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

39 pages, 8 figures

Scientific paper

We present the spectrum of the lightest pentaquark states of both parities and compare it with the present experimental evidence for these states. We have assumed that the main role for their mass splittings is played by the chromo-magnetic interaction. We have also kept into account the $SU(3)_F$ breaking for their contribution and for the spin orbit term. The resulting pattern is in good agreement with experiment.

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